Problem Display
PID: 268485 (2K1k3/1p6/QppBp1P1/1b3Pp1/1r4r1/8/5b2/3R4 w - - 0 1)

Fraenkel, Febus Hirsch

Die Schwalbe, 1931

2K1k3/1p6/QppBp1P1/1b3Pp1/1r4r1/8/5b2/3R4

#3

6 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxb6
        • threat
          • 3.Qd8#
    • 1...Bg3
      • 2.Qxb6
        • threat
          • 3.Qd8#
    • 1...Bh4
      • 2.Qxb6
        • threat
          • 3.Qd8#
    • 1...Ba4
      • 2.Qxb7
        • threat
          • 3.Qd7#
          • 3.Qe7#
          • 3.Qf7#
      • 2.Qa8
        • threat
          • 3.Kc7#
  • Tries
    • 1.Qxb7?
      • threat
        • 2.Qd7#
        • 2.Qe7#
        • 2.Qf7#
      • 1...c5
        • 2.Qe7#
        • 2.Qf7#
      • 1...Ba6!
    • 1.f6?
      • threat
        • 2.f7#
      • 1...Rbf4
        • 2.Qa8
          • threat
            • 3.Kc7#
          • 2...Ra4
            • 3.f7#
      • 1...Rgf4!
  • Keys
    • 1.Re1!
      • threat
        • 2.Rxe6#
      • 1...Bxe1
        • 2.Qxb6
          • threat
            • 3.Qd8#
      • 1...Rbe4
        • 2.Qa8
          • threat
            • 3.Kc7#
          • 2...Ra4
            • 3.Rxe6#
      • 1...Rge4
        • 2.f6
          • threat
            • 3.f7#
          • 2...Rf4
            • 3.Rxe6#
      • 1...Be3
        • 2.Qxb6
          • threat
            • 3.Qd8#
          • 2...Bxb6
            • 3.Rxe6#
      • 1...Be2
        • 2.Qxb7
          • threat
            • 3.Qxc6#
            • 3.Qd7#
            • 3.Qe7#
            • 3.Qf7#
          • 2...Ba6
            • 3.Rxe6#
      • 1...Bc4
        • 2.Qxb7
          • threat
            • 3.Qxc6#
            • 3.Qd7#
            • 3.Qe7#
            • 3.Qf7#
          • 2...Ba6
            • 3.Rxe6#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).